Question

if cosa=0.6 then prove that 5sina-3tana=0.​

Answer 1

See the above attached attachment.. ।!

Answer 2

Step-by-step explanation:

b/h=0.6/1

p=√(1*1-0.6*0.6)

p=0.64

5 sin a= 5*(p/h)=5*(.64/1)=3.2

3 tan a=3*(p/b)=3*(.64/.6)=3.2

5 sin a - 3 tan a=3.2-3.2=0